@article{oai:tsukuba.repo.nii.ac.jp:02002482,
 journal = {年次研究報告, Annual report of division of physics, the University of Tsukuba},
 month = {Aug},
 pages = {82--95},
 title = {<研究活動>IV . 宇宙観測グループ},
 volume = {2000},
 year = {2021}
}